[chromedriver] Remove Logger and just use base LOG.

chrome/test/chromedriver/chrome/adb_impl.h

Index: chrome/test/chromedriver/chrome/adb_impl.h
diff --git a/chrome/test/chromedriver/chrome/adb_impl.h b/chrome/test/chromedriver/chrome/adb_impl.h
index 80ce305ed9c67a6d405b4fc21da9ad0cb513602b..fd0b184ecaa6e075076c36826e3633245501d080 100644
--- a/chrome/test/chromedriver/chrome/adb_impl.h
+++ b/chrome/test/chromedriver/chrome/adb_impl.h
@@ -23,7 +23,7 @@ class AdbImpl : public Adb {
  public:
   explicit AdbImpl(
       const scoped_refptr<base::SingleThreadTaskRunner>& io_message_loop_proxy,
-      Log* log, int port);
+      int port);
   virtual ~AdbImpl();
 
   // Overridden from Adb:
@@ -60,7 +60,6 @@ class AdbImpl : public Adb {
 
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
-  Log* log_;
   int port_;
 };